Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\sysfb_efi.c Create Date:2022-07-28 08:49:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:sysfb_apply_efi_quirks

Proto:__init void sysfb_apply_efi_quirks(void)

Type:void

Parameter:Nothing

272  If 0x0f != EFI graphic mode || Not (0x36 & VIDEO_CAPABILITY_SKIP_QUIRKS) Then dmi_check_system(efifb_dmi_system_table)
276  If 0x0f == EFI graphic mode && dmi_check_system(Some devices have a portrait LCD but advertise a landscape resolution (and* pitch). We simply swap width and height for these devices so that we can* correctly deal with some of them coming with multiple resolutions.) Then
278  temp = 0x12
280  0x12 = 0x14
281  0x14 = temp
282  0x24 = 4 * 0x12